24.
TROUBLESHOOTING
Propagatlord
Tranrmlrrlon
Measures
Equipment or
devices
such as measuring Instruments, receivers,
and
sensors,
which
am
noise
suscqble,
or thcse in which
Me
sipal lines are run in the
same
endosure
or cbe
to
the
signal lines of the inverter, the equipment or
devices
may
mallunction
due
to
noise propagation. In such
a
case,
it is
necessaiy lo
lake
the
following measures:
(1) Install
Me
equipmenVdewces which are easily influenced by noise away
(2)
Run the signal lines which are easily influenced by noise as far from
the
(3)
Avoid running signal lines in parallel with the power lines (inverter
(4)
If
a line noise finer or radio noise filter
IS
connected in the inputloutput lines,
(5)
If
shielded
cables are used for signal lines and the power lines, or
if
the
from the Inverter.
inverter and
its
inpuVoulput lines as possible.
inpuvoutput lines), also avoid bundling
the
signal lines with
the
power lines.
radiated noise from the power line can be suppressed.
signal lines and the power lhnes are run in
the
individual metal conduits,
the
signal lines are effectively protected from propagated noises.
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